-lemma fpb_fpbq_ffdneq: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ≻[h, o] ⦃G2, L2, T2⦄ →
- â\88§â\88§ â¦\83G1, L1, T1â¦\84 â\89½[h, o] â¦\83G2, L2, T2â¦\84 & (â¦\83G1, L1, T1â¦\84 â\89\9b[h, o] â¦\83G2, L2, T2â¦\84 → ⊥).
-/3 width=10 by fpb_fpbq, fpb_inv_ffdeq, conj/ qed-.
+lemma fpb_fpbq_fneqx: ∀h,G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ≻[h] ❪G2,L2,T2❫ →
+ â\88§â\88§ â\9dªG1,L1,T1â\9d« â\89½[h] â\9dªG2,L2,T2â\9d« & (â\9dªG1,L1,T1â\9d« â\89\9b â\9dªG2,L2,T2â\9d« → ⊥).
+/3 width=10 by fpb_fpbq, fpb_inv_feqx, conj/ qed-.